20454255

素因数分解:

$3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1471}}^1$

素因数の和:1588

約数の個数: 32

約数和(自身を含む): 36741120

約数和(自身を除く): 16286865

約数列:

[1, 3, 5, 9, 15, 27, 45, 103, 135, 309, 515, 927, 1471, 1545, 2781, 4413, 4635, 7355, 13239, 13905, 22065, 39717, 66195, 151513, 198585, 454539, 757565, 1363617, 2272695, 4090851, 6818085, 20454255]

約数ペア:

[(1, 20454255), (3, 6818085), (5, 4090851), (9, 2272695), (15, 1363617), (27, 757565), (45, 454539), (103, 198585), (135, 151513), (309, 66195), (515, 39717), (927, 22065), (1471, 13905), (1545, 13239), (2781, 7355), (4413, 4635)]